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Finding the Fourth Proportional to 269,465.70, 404,198.55 and 79,932.90

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Solution

The fourth proportional to 269,465.70, 404,198.55 and 79,932.90 is: 119,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,465.70 : 404,198.55 = 79,932.90 : x
  2. Step 2: Convert to fraction form
    269,465.70/404,198.55 = 79,932.90/x
  3. Step 3: Cross multiply
    269,465.70x = 404,198.55 × 79,932.90
  4. Step 4: Simplify right side
    269,465.70x = 32,308,762,277.30
  5. Step 5: Solve for x
    x = 32,308,762,277.30/269,465.70
  6. Step 6: Final answer
    x = 119,899.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.